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This documentation is for the unreleased development version of jOOQ. Click on the above version links to get this documentation for a supported version of jOOQ.

SIGN

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The SIGN() function produces the sign of a numeric value, being any value of -1, 0, 1

SELECT sign(-5), sign(0), sign(3);
create.select(sign(-5), sign(0), sign(3)).fetch();

The result being

+------+------+------+
| sign | sign | sign |
+------+------+------+
|   -1 |    0 |    1 |
+------+------+------+

Dialect support

This example using jOOQ:

sign(3)

Translates to the following dialect specific expressions:

Access

sgn(3)

ASE, Aurora MySQL, Aurora Postgres, BigQuery, CockroachDB, DB2, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, SQLDataWarehouse, SQLServer, Snowflake, Sybase, Teradata, Trino, Vertica, YugabyteDB

sign(3)

SQLite

CASE
  WHEN 3 > 0 THEN 1
  WHEN 3 < 0 THEN -1
  WHEN 3 = 0 THEN 0
END

(These are currently generated with jOOQ 3.20, see #10141), or translate your own on our website

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